contributed to the war effort.
he got an A for effort.
he performed a great feat.
he supported populist campaigns.
made an effort to cover all the reading material.
she gave it a good try.
the book was her finest effort.
the movement to end slavery.
the team was ready for a drive toward the pennant.
they managed only with great exertion.
they worked in the cause of world peace.
wished him luck in his endeavor.